Let A = {a, b, c} Define a relation as follows: ARA = {(a, b) , (a, c), (b, c)} To obtain the SYMMETRIC closure of the above relation, we need the following ADDITIONAL ordered pairs: (check all that...

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Extracted text: Let A = {a, b, c} Define a relation as follows: ARA = {(a, b) , (a, c), (b, c)} To obtain the SYMMETRIC closure of the above relation, we need the following ADDITIONAL ordered pairs: (check all that apply) None. The relation is already symmetric (a,a) (b,a) (b,b) (c,a) (c,b) (c,c)